Precise determination of elastic constants by high-resolution inelastic X-ray scattering.
Inelastic X-ray scattering (IXS) measurements have been performed on an MgO single crystal in order to evaluate IXS as a methodology for accurate and precise determination of elastic constants and sound velocities. By performing the IXS experiment using a 12-analyzer array, the complete set of single-crystal elastic constants of MgO were determined to a precision better than 0.8% (sound velocities to better than 0.2%). The results are consistent with values in the literature. The precision and accuracy of this work, which is significantly better than other published work to date, demonstrates the potential of IXS in determining elastic properties.
Fukui
Hiroshi
H
Institute for Study of the Earth's Interior, Okayama University, Japan. fukuih@spring8.or.jp
Katsura
Tomoo
T
Kuribayashi
Takahiro
T
Matsuzaki
Takuya
T
Yoneda
Akira
A
Ito
Eiji
E
Kudoh
Yasuhiro
Y
Tsutsui
Satoshi
S
Baron
Alfred Q R
AQ
D000465:Algorithms; D003198:Computer Simulation; D055119:Elastic Modulus; D008277:Magnesium Oxide / Q000737:chemistry*; D008422:Materials Testing / Q000379:methods*; D008956:Models, Chemical; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D014961:X-Ray Diffraction / Q000379:methods*
D008277:Magnesium Oxide